package one.ArrayUtility;

public class ArrayUtility {
    private ArrayUtility() {
    }

    public static String printArr(int[] arr) {
        StringBuilder sb = new StringBuilder();
        sb.append("[");
        for (int i = 0; i < arr.length; i++) {
            if (i == arr.length - 1) {
                sb.append(arr[i]);
            } else {
                sb.append(arr[i]).append(", ");
            }
        }
        sb.append("]");
        return sb.toString();
    }


    public static double Arravg(int[] arr) {
        double sum = 0;
        for (int i=0; i<arr.length; i++) {
            sum+=arr[i];
        }
        return sum/arr.length;
    }
}